Btree_load::Cursor Struct Reference

Interface to consume from. More...

#include <btr0load.h>

Inheritance diagram for Btree_load::Cursor:

Public Member Functions
	Cursor ()=default
	Constructor. More...
virtual	~Cursor ()=default
	Destructor. More...
virtual dberr_t	fetch (dtuple_t *&dtuple) noexcept=0
	Fetch the current row as a tuple. More...
virtual bool	duplicates_detected () const noexcept=0
virtual dberr_t	next () noexcept=0
	Move to the next record. More...

Detailed Description

Interface to consume from.

Constructor & Destructor Documentation

Cursor()

Btree_load::Cursor::Cursor ( )

default

Constructor.

~Cursor()

virtual Btree_load::Cursor::~Cursor ( )

virtualdefault

Destructor.

Member Function Documentation

duplicates_detected()

virtual bool Btree_load::Cursor::duplicates_detected ( ) const

pure virtualnoexcept

Returns

true if duplicates detected.

Implemented in ddl::Load_cursor.

fetch()

virtual dberr_t Btree_load::Cursor::fetch ( dtuple_t *&  dtuple )

pure virtualnoexcept

Fetch the current row as a tuple.

Parameters

[out]

dtuple

Row represented as a tuple.

Returns

DB_SUCCESS, DB_END_OF_INDEX or error code.

Implemented in ddl::Key_sort_buffer_cursor, ddl::File_cursor, and ddl::Merge_cursor.

next()

virtual dberr_t Btree_load::Cursor::next ( )

pure virtualnoexcept

Move to the next record.

Returns

DB_SUCCESS, DB_END_OF_INDEX or error code.

Implemented in ddl::Key_sort_buffer_cursor, ddl::File_cursor, and ddl::Merge_cursor.

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The documentation for this struct was generated from the following file:

• storage/innobase/include/btr0load.h